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Add demo3 homescreen source code

[Patch Set 2]Update LICENSE file.
Change-Id: I22768e87b2e440428cb38b84d52e152f50a4794e
BUG-AGL: SPEC-2261
Signed-off-by: zheng_wenlong <wenlong_zheng@nexty-ele.com>

1 files changed, 148 insertions, 0 deletions

diff --git a/homescreen/src/statusbarmodel.cpp b/homescreen/src/statusbarmodel.cpp
new file mode 100644
index 0000000..ceb09ab
--- /dev/null
+++ b/homescreen/src/statusbarmodel.cpp
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2016 The Qt Company Ltd.
+ * Copyright (c) 2017-2019 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "statusbarmodel.h"
+#include "statusbarserver.h"
+#include <QDebug>
+#include "hmi-debug.h"
+
+#include <QtDBus/QDBusConnection>
+
+#include "network.h"
+
+
+class StatusBarModel::Private
+{
+public:
+    Private(StatusBarModel *parent);
+
+private:
+    StatusBarModel *q;
+public:
+    StatusBarServer server;
+    QString iconList[StatusBarServer::SupportedCount];
+    Network *network;
+};
+
+StatusBarModel::Private::Private(StatusBarModel *parent)
+    : q(parent)
+{
+    QDBusConnection dbus = QDBusConnection::sessionBus();
+    dbus.registerObject("/StatusBar", &server);
+    dbus.registerService("org.agl.homescreen");
+    connect(&server, &StatusBarServer::statusIconChanged, [&](int placeholderIndex, const QString &icon) {
+        if (placeholderIndex < 0 || StatusBarServer::SupportedCount <= placeholderIndex) return;
+        if (iconList[placeholderIndex] == icon) return;
+        iconList[placeholderIndex] = icon;
+        emit q->dataChanged(q->index(placeholderIndex), q->index(placeholderIndex));
+    });
+    for (int i = 0; i < StatusBarServer::SupportedCount; i++) {
+        iconList[i] = server.getStatusIcon(i);
+    }
+}
+
+StatusBarModel::StatusBarModel(QObject *parent)
+    : QAbstractListModel(parent)
+    , d(new Private(this))
+{
+}
+
+StatusBarModel::~StatusBarModel()
+{
+    delete d;
+}
+
+void StatusBarModel::init(QUrl &url, QQmlContext *context)
+{
+    HMI_DEBUG("HomeScreen", "StatusBarModel::init");
+    d->network = new Network(url, context);
+    context->setContextProperty("network", d->network);
+
+    QObject::connect(d->network, &Network::wifiConnectedChanged, this, &StatusBarModel::onWifiConnectedChanged);
+    QObject::connect(d->network, &Network::wifiEnabledChanged, this, &StatusBarModel::onWifiEnabledChanged);
+    QObject::connect(d->network, &Network::wifiStrengthChanged, this, &StatusBarModel::onWifiStrengthChanged);
+
+    setWifiStatus(d->network->wifiConnected(), d->network->wifiEnabled(), d->network->wifiStrength());
+}
+
+void StatusBarModel::setWifiStatus(bool connected, bool enabled, int strength)
+{
+    HMI_DEBUG("HomeScreen", "StatusBarModel::setWifiStatus");
+    if (enabled && connected)
+        if (strength < 30)
+            d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_1Bar-01.png"));
+        else if (strength < 50)
+            d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_2Bars-01.png"));
+        else if (strength < 70)
+            d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_3Bars-01.png"));
+        else
+            d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_Full-01.png"));
+    else
+        d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_NoBars-01.png"));
+}
+
+void StatusBarModel::onWifiConnectedChanged(bool connected)
+{
+    setWifiStatus(connected, d->network->wifiEnabled(), d->network->wifiStrength());
+}
+
+void StatusBarModel::onWifiEnabledChanged(bool enabled)
+{
+    setWifiStatus(d->network->wifiConnected(), enabled, d->network->wifiStrength());
+}
+
+void StatusBarModel::onWifiStrengthChanged(int strength)
+{
+    qInfo() << "Strength changed: " << strength;
+    setWifiStatus(d->network->wifiConnected(), d->network->wifiEnabled(), strength);
+}
+
+int StatusBarModel::rowCount(const QModelIndex &parent) const
+{
+    if (parent.isValid())
+        return 0;
+
+    return StatusBarServer::SupportedCount - 1;
+}
+
+QVariant StatusBarModel::data(const QModelIndex &index, int role) const
+{
+    QVariant ret;
+    if (!index.isValid())
+        return ret;
+
+    switch (role) {
+    case Qt::DisplayRole:
+        if (index.row() == 0) {
+            ret = d->iconList[StatusBarServer::StatusWifi];
+        } else if (index.row() == 1) {
+            ret = d->iconList[StatusBarServer::StatusCellular];
+        }
+        break;
+    default:
+        break;
+    }
+
+    return ret;
+}
+
+QHash<int, QByteArray> StatusBarModel::roleNames() const
+{
+    QHash<int, QByteArray> roles;
+    roles[Qt::DisplayRole] = "icon";
+    return roles;
+}